#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>

#define VELKOST_POLA 130
int main(){
	char rip[VELKOST_POLA];
	memset(rip, '\0', VELKOST_POLA*sizeof(char));
	int a = 0;

	for(int b = 0; 1; b++){
		a = getchar();
		if(a == EOF || a == ' ')break;
		rip[b] = a;
	}
	for(int c = 0, d = 0; c < strlen(rip); c++){
		if(rip[c] == '\n'){
		d++;
		}
		else if((rip[c]<='9'&&rip[c]>='0') || (rip[c]=='.') || (rip[c]==EOF) || (rip[c]==' '));
		else if(d == 0){
			printf("Nepodarilo sa nacitat zaklad x\n");
			return 0;
		}
		else {
			printf("Nepodarilo sa nacitat polynom na %d mieste.\n", d);
			return 0;
		}
	}
int kofi = -1;
for(int c = 0; c < strlen(rip); c++){
	if(rip[c] == '\n')
	continue;
	else for(int c2=0; rip[c]!='\n'; c++, c2++);
	kofi++;
}
long double x = 0;
char *finish = NULL;
char *start = rip;
x = strtof(start, &finish);

start = finish;

int f = 0;
long double n = 0;
for(int c = 0; c < kofi; c++){
	long double d = 1; f = 0;
	f = strtof(start, &finish);
	start = finish;

	d=pow(x,(kofi-c)-1);

	n+=d*f;
}
n = round(n*100)/100;
printf("Vysledok je: %.2Lf\n", n);
return EXIT_SUCCESS;

}